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PROVIDER PROFILE · NPI 1093739021

Greg YenM.D.

CardiologySan Gabriel, CAI
CROSS-REFERENCE

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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 050132
Hospital
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,396
Unique beneficiaries
—
Total services
2,295
Distinct HCPCS
10
Medicare payment
$210K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 1,869 Cardiology providers in CA — below median (cohort median 2,371).
QUALITY · MIPS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
1,776
Beneficiaries
—
Total drug cost
$231K
Distinct drugs
29
Brand share
34.6%
Top prescribed drugs
Nitroglycerin231 claims
Apixaban195 claims
Amlodipine Besylate142 claims
Metoprolol Succinate125 claims
Atorvastatin Calcium124 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$157
Payment records
1
By payment type
Food and Beverage$157
REFERRAL NETWORK

Where Greg Yen's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 44 inbound referrers · 106 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
AHMC SAN GABRIEL VALLEY MEDICAL97173
Chin Shun Shih
Internal Medicine · Monterey Park, CA
93205
Sun Clinical Laboratories
Clinical Laboratory · El Monte, CA
66112
Jose Tandoc
Diagnostic Radiology · Arcadia, CA
4585
Chia Chi Lai
Gastroenterology · Monterey Park, CA
43153
I Kawei Day
Pulmonary Disease · Montery Dark, CA
41105
Wilson Wong
Diagnostic Radiology · Arcadia, CA
37114
YANG, BAO3663
Daniel Garza
Diagnostic Radiology · Alhambra, CA
3663
Aldric Shim
Diagnostic Radiology · Monterey Park, CA
3370
ACCORD RENAL MEDICAL CORP3049
Stephen Chen
Critical Care (Intensivists) · Monterey Park, CA
2996
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
David Chen
Diagnostic Radiology · San Gabriel, CA
108165
Elroy Vojdani
General Practice · Los Angeles, CA
98248
Ashraf Hawari
Diagnostic Radiology · Marina Del Rey, CA
83176
LU, TOMMY78242
LY, LUONG76241
Oscar Chien
Internal Medicine · San Gabriel, CA
70525
Abacus Business Corporation Group Inc.
Clinical Laboratory · Los Angeles, CA
70183
NPI 160984637769238
Jimmy Yue
Nephrology · Alhambra, CA
69278
David Lin
Internal Medicine · Rosemead, CA
60745
MEDRESPONSE INC.6087
Henry Sebata
Diagnostic Radiology · Alhambra, CA
59160
Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.